Difference between ultrasonic vibration sieve and ordinary rotary vibrating screen

Compared with rotary vibrating screen, ultrasonic vibration sieve is equipped with a ultrasonic generator, with self-cleaning function ,the mesh is not easy to block, it is no need to add bouncing balls and other anti blockage device. Ultrasonic vibrating screen is particularly suitable for screening fine powder and light weight material with mesh size larger than 300 mesh. 

 

Ultrasonic screening system is composed of ultrasonic resonant power supply, oscillator and resonance ring. The ultrasonic resonant powder supply will generate longitudinal oscillating wave which will transmit to the resonance ring to produce a resonance, and then the vibration will be transmitted to the screen mesh evenly through the resonance ring. While material on the screen mesh does three dimensional vibration movement in the low-frequency, it will overlap the ultrasonic vibration which can prevent the mesh plug and improve the screening yield and screening quality. 
The performance characteristics of ultrasonic vibrating screen: it can sieve the heavy, light, ultra-fine, strong adsorption powder (almost all of the powder is effective) that ordinary rotary vibrating screen can’t sieve. Compared with ordinary rotary vibrating screen, the material passing rate of ultrasonic vibrating screen will be increased by 50%-400%, the performance is as follows:
(1). Reduce screen mesh cleaning time;
(2). No pollution of powder that generated by bouncing ball and other auxiliary materials;
(3). Keep the screen mesh size, stable precision screening; 
(4). Reduce the material stuck on screen mesh size;
(5). Reduce screening frequency.

The Cautions of Vibrating Feeder You Should Know

The Cautions of Vibrating Feeder You Should Know

How much do you know the vibrating feeder?Vibrating feeder is a kind of continuous uniform feeding equipment.It is widely used in in metallurgy, coal mine, dressing, building materials, chemical industry, grinding, etc.Here we will introduce the vibrating feeder what you should notice a lot.

vibrating feeder

For the user,In order to prolong the service life of the machine, ensure the machine can work normally, the user should do daily maintenance and repair work regularly.The following two aspects will show you how to maintain through apply proper lubricant.

1, The machine is normally use thin oil splash lubrication, according to the use of locations, the temperature conditions, lubricating oil should be put into use reasonable, usually with gear oil

2, Ensure that the vibrator is thin oil oil is higher than the standard height (by joint bend charging), And the oil must be replaced every three to six months time, when the oil change application of clean gasoline or kerosene cleaning tank, bearing raceway and gear surface regularly

vibrating feeder

In the process of operation,  you need to pay attention to the following security technology.

1,Operators can mount guard after the security technology education

2,Consolidate all bolts, to prevent the occurrence of loose in the running process

3,If discovery is unusual, please stop immediately repair

4,Operating personnel prohibited near the machine when the machine is running, touch the body, adjust, form, such as cleaning or inspection

5,Make sure the wires machinery and equipment safety, always check the electrical wiring for wear and leakage

vibrating feeder

Henan Pingyuan Mining Machinery Co., Ltd is the most professional manufacturer of Belt conveyor, and Vibrating screen, Bucket elevator, Screw conveyor, Scraper conveyor using the world's most advanced technology, we are willing to serve every company to meet your custom needs. our goal is "be the future global leader of mining machinery industry". have any questions, please contact us without any hesitation. 

Tel: +86 373 579 9198

Fax: +86 373 507 1699  

info@pkmachinery.com  

website:www.pkmachinery.com

Address: 289 Yellow River Road, Xinxiang City, Henan Province, China

Introduction of Conveyor Belt Water Scraper

Conveyor belt is the most commonly used material handling equipment, which is widely used in chemical, coal, iron & steel, metallurgy, mining industries, port, thermal power plant, etc. However, for conveyor belt which runs in the open air without cover hood, water scraper is a necessary accessory which is used to eliminate the stagnant water on the belt.
Water scraper mainly consists of support & frame, idler sets, axle, bearing block, connecting rod, crank, electric-hydraulic pusher, etc. The operation precondition of water scraper is conveyor belt non-loading running. In the operation, press roller, trough carrier idler, flat carrier idler, connecting rod and crank are workings as a rotary body, the electric-hydraulic pusher drives the press roller and trough carrier idlers in clockwise rotation, then the top of trough carrier idlers and flat carrier idlers are on the same tangent plane. Under the clamping pressure of press roller and carrier idlers, the belt is lifted up, and the water is discharged from both sides of the conveyor belt. Thus the shift between normal operation and water removal can be achieved through the rotation of rotary body. When the conveyor belt is in normal operation, the trough carrier idlers of water scraper are used as the part of conveyor belt, so the belt can pass through the water scraper smoothly.
This kind of water scraper has simple and reliable structure, which can avoid the belt damage. And it has the features of safe and reliable operation, long service life, easy installation and convenient maintenance. 

Brief Introduction for Vibrating Platform

► Brief Introduction
Vibrating/Shaking Platform is the device mainly used for reducing air and crannies among the material to compress the material; it is always used with silo.

►  Working Principle

Unbalance motors make the platform to oscillate. An oscillation insulating elastic suspension connects the top and bottom part of the platform. The amplitude of the oscillation can be changed by adjusting the unbalances on the unbalance motors during standstill. Besides, the vibration frequency can be changed during the operation time if an electric control with frequency inverter is being used. Both parameter have influence on the vibration intensity and allow an adaption to the different scopes. 

►  Features
1) Durable
2) Strong power
3) Stable running
4) Simple structure
5) Reduced maintenance

►  Advantage

   1.Durable

   2.Strong power

   3.Stable running

   4.Simple structure

   5.Reduced maintenance

   6.Noiseless

   7.For concrete and construction applications, it can reduce the need to trowel during pours.

   8.Reduce or eliminate the need to hand finishing to remove flaws caused by trapped air.

   9.Dramatically improve product quality and reduce defects without increasing cost.

   10.Properly fitted with the motors and other parts to ensure smooth functioning.

►  Application

Vibration platform is used for:

   1.Compaction, detachment and aeration of bulk materials

   2.Testing of welded joints in automobile industry and delicate joints in electronic industry

   3.Effective packing of fluffy and difficult to handle powder in chemical and pharmaceutical industry

   4.Proper flow of powder in dies and moulds to get perfect moulded parts

It can apply on steel, foundries, concrete, food processing, plastics, construction, chemical and bulk materials industry. 

The Introduction of Vibrating Feeder

► Brief introduction:
Vibrating Feeder is a kind of linear direction feeding equipment, It consists of feed spout, vibration body, vibrating motor, damping device. It can feed material for belt conveyor, vibrating conveyor, bucket elevator, vibrating screen, crusher etc.

► Working principle:The feed process of the vibrating feeder is achieved by the feed spout do line reciprocating vibration periodically which is forced by the special vibrating motor. When the vertical component of the feed spout vibration accelerated speed is bigger than the gravitational acceleration, the material will be upthrow and jumping forward along a parabolic path. Because of the continuous exciting of the vibrating motor, the feed spout will
Vibrating continuously and the material in the feed spout will jumping forward continuously, so that achieves the purpose of feeding material.
 

► Features:

   1.Smooth operation, large feeding capacity with high efficiency.
   2.Low energy consumption.
   3.Characterized by even feeding, excellent continuity and adjustable vibrating force.
   4.Eccentric block as the main source of vibration.
   5.Double screening and embodies the functions of dirt removing, screening and feeding.

► Advantage:
      Stable vibration, reliable operation and long service life;
      The excitation force and materials quantity moving in the feeder can be adjusted conveniently and easily.
      The vibrating motor, as the excitation source, has low noise, small power consumption, good adjusting performance and without material splash.
      Simple structure, reliable running, convenient installation, light weight, small size, easy maintenance, and the enclosed type can prevent dust pollution.

► Application:

      ZG Vibrating Feeder is a kind of linear direction feeding equipment, which is widely used in pharmaceutical, automotive, electronic, food processing, packaging, glass, steel, construction, recycling, plastic industry etc.
 

► Operation and Maintenance: 

      A.Problems occurring in Vibratory Feeders
Four basic malfunctions that bring attention to vibratory feeders need to be concern:
    1.Declining feed rate due to low amplitude. This will occur gradually over a period of time.
    2.A dead spot in the bowl – parts will not feed past a certain point in the bowl, even though they are moving elsewhere in the bowl.
    3.Intermittent operation. The feeder will spontaneously run at excessive amplitude or possibly no amplitude without apparent cause. Included in this category is for a feeder not to work at all.
    4.Noise from the vibrating feeder.

       B.Overhaul and Readjustment of Vibratory Feeders

   Here are the methods to solve the problems:
       1.Remove the bowl, and clean the mating surfaces between the bowl and the top casting of the base.
      These surfaces can accumulate dirt, sometimes, and other material that will make it difficult to draw the bowl tightly down on the top casting of the base. These surfaces should be flat and clean. Using emery paper or a flat file is adequate to recondition the surface.
      2.Operating on one bank of springs at a time, loosen the springs top and bottom and remove them.
      Both ends of each springs, as well as the spacers and mounting surfaces should be thoroughly cleaned with either emery paper, a wire brush or glass bead shot peened.
    3.Examine each spring for cracks and corrosion
The cracks will always occur adjacent to the hole punched in either end, on this type of spring. Sometimes these cracks are not visible to the naked eye, and a simple test is to hit the spring on something solid (dropping it on the floor). Usually this will cause the spring to break thru.
    - Any pitted springs or spaces should be replaced.
    - Reassemble the springs and spaces in the manner in which they were prior to disassembly.
    - Draw up the screw snug.
    - Do this on each remaining banks of springs.

The classification of Explosion-proof Vibration Motor

1.According to the principle, explosion-proof vibration motor can be divided into explosion-proof asynchronous vibration motor, explosion-proof synchronous vibration motor and explosion-proof DC vibration motor etc.

 

2.According to the working place , explosion-proof vibration motor can be divided into coal mine use explosion-proof vibration motor and factory use explosion-proof motor.
3. According to the explosion protection principle , explosion-proof vibration motor types can be divided into the flameproof type, increased safety type, positive pressure type, no-spark type and dust & explosion-proof electrical motor, etc.

 

4.According to the matching equipment, explosion-proof vibration motor can be divided into explosion-proof motor for coal mine conveyor, coal mine winch, rock loader, coal mine fan, valve, blower, marine, lifting metallurgical hydrogenation device.

 

5.According to the nominal voltage and efficiency, explosion-proof vibration motor can be divided into high voltage type, high efficiency type, high slip ratio type and high starting torque type of explosion-proof motor.

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Henan Pingyuan Mining Machinery Co., Ltd is the most professional manufacturer of Belt conveyor, Vibrating screen, Bucket elevator, Screw conveyor, and Scraper conveyor using the world's most advanced technology, we are willing to serve every company to meet your custom needs. our goal is "be the future global leader of mining machinery industry". have any questions, please contact us without any hesitation.

Henan Pingyuan Mining Machinery Co., Ltd 

Address: 289 Yellow River Road, Xinxiang City, Henan Province, China. 

Tel: +86 373 579 9198

Fax: +86 373 507 1699

Email Address: info@pkmachinery.com

Official Website: http://www.pkmachinery.com/

Lubrication of Rigid Impeller Feeder

Add sufficient 00# lithium lubricating grease to reducer of rigid impeller feeder,within 6-10 months of being put into use, the transmission and bearing parts of rotary valve should be replaced and the grease also need to be changed. If rotary valve works in a high ambient temperature, humid or too much air return, please shorten the time of changing the new grease.
During operation, please check the lubrication parts every month.
Above mentioned lubrication time is just the minimum requirements, detailed time should be flexible and depends on the operation condition.

 

List of Lubrication parts
 

No.	Name of Lubrication part	Lubrication material	Lubrication part cycle	Lubrication method
1	Coupling	2# lubricating grease	1000 hours	Lubricator
2	Bearing seat	3# calcium base grease	1 month	Lubricator
3	Gearmotor	00# lithium lubricating grease	6 months	Lubricator